1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Ophthalmology
  6. NPI Profile

CRYSTAL SIN YI CHEUNG
NPI 1861979833
Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist in Boston, MA

Active since July 23, 2018
300 LONGWOOD AVE # FEGAN4, BOSTON, MA 02115(857) 472-2148 Get Directions Write a Review

NPPES record last updated: February 1, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 1, 2019, Jul 23, 2018 (2 updates tracked since 2018).

About Crystal Sin Yi Cheung NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CRYSTAL SIN YI CHEUNG (NPI 1861979833) is an individual pediatric ophthalmology and strabismus specialist in Boston, Massachusetts, licensed in Massachusetts (277567) and active in the NPI registry since July 2018.

NPPES Registry Identity

NPI1861979833
Entity TypeIndividualFemale
Primary Taxonomy207WX0110X
Provider Legal NameCRYSTAL SIN YI CHEUNG
Location Address300 LONGWOOD AVE # FEGAN4Boston, MA 02115-5724
Mailing Address300 Longwood Ave # Fegan4Boston, MA 02115-5724 · (617) 355-6401
Phone(857) 472-2148
Sole ProprietorYes
Enumeration DateJuly 23, 2018
Last NPPES UpdateFebruary 1, 20192 updates tracked since enumeration
✔ NPI 1861979833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Pediatric Ophthalmology and Strabismus SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0110X
License✔ Licensed in MA · 277567
Definition
An ophthalmologist who specializes in pediatric ophthalmology and strabismus management. The subspecialty includes the medical and surgical management of eye disorders found in children. Some of the more common disorders include amblyopia, strabismus, refractive error, cataract and glaucoma. These disorders may be related to neurological and endocrinological diseases, trauma, or aging changes in the extraocular muscles requiring medical, optical and surgical management.
300 LONGWOOD AVE # FEGAN4, Boston, MA 02115
Open in Google Maps ↗

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HARALD GJERDE MD
Ophthalmology
300 LONGWOOD AVE # FEGAN4
BOSTON, MA 02115
Suffolk County (617) 355-6401
STEPHANIE ANN BUTLER PA
Physician Assistant
300 LONGWOOD AVE # FEGAN4
BOSTON, MA 02115
Suffolk County (617) 355-6401
DR. GENA HEIDARY MD
Ophthalmology
300 LONGWOOD AVE # FEGAN4, DEPARTMENT OF OPHTHALMOLOGY CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-6401

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Crystal Sin Yi Cheung's NPI number?

The NPI number for Crystal Sin Yi Cheung is 1861979833. It was assigned to this individual provider in the NPPES registry on July 23, 2018.

Where is Crystal Sin Yi Cheung located?

Crystal Sin Yi Cheung practices at 300 Longwood Ave # Fegan4, Boston, MA 02115. The listed phone number is (857) 472-2148.

What is Crystal Sin Yi Cheung's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Pediatric Ophthalmology and Strabismus Specialist, with taxonomy code 207WX0110X.

When was this NPI record last updated?

The NPPES record for Crystal Sin Yi Cheung was last updated on February 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.